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Beam injection and Matching Studies in the University of Maryland Electron Ring
Thangaraj, Jayakar Charles Tobin
O'Shea, Patrick G
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Intense charged particle beams are of great interest to many wide areas of applications ranging from high-energy physics to free-electron lasers. The University of Maryland Electron Ring (UMER) is a scaled model to investigate the physics of such intense beams. Recently, multi turn operation of the ring (3.6 m diameter) has begun. In order to have full current transport of the electron beam, and to increase the number of turns of the beam around the ring, injection and matching of the beam from the straight section into the ring becomes crucial. Injection is done through a quadrupole fringe field, making it more challenging. Careful injection of a matched beam will also minimize emittance growth and halo formation around the ring. In this thesis, experimental results from the injection, matching, and transport of a space charge dominated beam and an emittance dominated beam are reported.